EP2005787A4 - Audio signal processing - Google Patents
Audio signal processingInfo
- Publication number
- EP2005787A4 EP2005787A4 EP07754557A EP07754557A EP2005787A4 EP 2005787 A4 EP2005787 A4 EP 2005787A4 EP 07754557 A EP07754557 A EP 07754557A EP 07754557 A EP07754557 A EP 07754557A EP 2005787 A4 EP2005787 A4 EP 2005787A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- audio
- signals
- audio signal
- signal processing
- sound source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 title abstract 5
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
- H04S3/004—For headphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Electrophonic Musical Instruments (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78861406P | 2006-04-03 | 2006-04-03 | |
PCT/US2007/008052 WO2007123788A2 (en) | 2006-04-03 | 2007-04-03 | Audio signal processing |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2005787A2 EP2005787A2 (en) | 2008-12-24 |
EP2005787A4 true EP2005787A4 (en) | 2010-03-31 |
EP2005787B1 EP2005787B1 (en) | 2012-01-25 |
Family
ID=38625502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07754557A Active EP2005787B1 (en) | 2006-04-03 | 2007-04-03 | Audio signal processing |
Country Status (7)
Country | Link |
---|---|
US (2) | US7720240B2 (en) |
EP (1) | EP2005787B1 (en) |
JP (1) | JP5265517B2 (en) |
KR (1) | KR101346490B1 (en) |
CN (1) | CN101884227B (en) |
AT (1) | ATE543343T1 (en) |
WO (1) | WO2007123788A2 (en) |
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KR101519104B1 (en) * | 2008-10-30 | 2015-05-11 | 삼성전자 주식회사 | Apparatus and method for detecting target sound |
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WO2013032822A2 (en) | 2011-08-26 | 2013-03-07 | Dts Llc | Audio adjustment system |
JP6007474B2 (en) * | 2011-10-07 | 2016-10-12 | ソニー株式会社 | Audio signal processing apparatus, audio signal processing method, program, and recording medium |
EP2782533B1 (en) | 2011-11-23 | 2015-09-30 | Sonova AG | Hearing protection earpiece |
WO2014190140A1 (en) * | 2013-05-23 | 2014-11-27 | Alan Kraemer | Headphone audio enhancement system |
EP2830050A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhanced spatial audio object coding |
EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
RU2665917C2 (en) | 2013-07-22 | 2018-09-04 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation rendered audio signals |
EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
US9716958B2 (en) * | 2013-10-09 | 2017-07-25 | Voyetra Turtle Beach, Inc. | Method and system for surround sound processing in a headset |
US10362422B2 (en) | 2014-08-01 | 2019-07-23 | Steven Jay Borne | Audio device |
WO2016023581A1 (en) | 2014-08-13 | 2016-02-18 | Huawei Technologies Co.,Ltd | An audio signal processing apparatus |
WO2016077320A1 (en) * | 2014-11-11 | 2016-05-19 | Google Inc. | 3d immersive spatial audio systems and methods |
US9551161B2 (en) | 2014-11-30 | 2017-01-24 | Dolby Laboratories Licensing Corporation | Theater entrance |
EP3224432B1 (en) | 2014-11-30 | 2022-03-16 | Dolby Laboratories Licensing Corporation | Social media linked large format theater design |
CN107211213B (en) | 2014-12-01 | 2019-06-14 | 三星电子株式会社 | The method and apparatus of location information output audio signal based on loudspeaker |
CN104735588B (en) | 2015-01-21 | 2018-10-30 | 华为技术有限公司 | Handle the method and terminal device of voice signal |
CN106162432A (en) * | 2015-04-03 | 2016-11-23 | 吴法功 | A kind of audio process device and sound thereof compensate framework and process implementation method |
EP3304927A4 (en) | 2015-06-03 | 2018-07-18 | Razer (Asia-Pacific) Pte. Ltd. | Headset devices and methods for controlling a headset device |
JP6658026B2 (en) * | 2016-02-04 | 2020-03-04 | 株式会社Jvcケンウッド | Filter generation device, filter generation method, and sound image localization processing method |
CA3098449A1 (en) * | 2018-05-22 | 2019-11-28 | Ppc Broadband, Inc. | Systems and methods for suppressing radiofrequency noise |
CN111818441B (en) * | 2020-07-07 | 2022-01-11 | Oppo(重庆)智能科技有限公司 | Sound effect realization method and device, storage medium and electronic equipment |
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2007
- 2007-04-03 CN CN200780019630.1A patent/CN101884227B/en active Active
- 2007-04-03 KR KR1020087024715A patent/KR101346490B1/en active IP Right Grant
- 2007-04-03 EP EP07754557A patent/EP2005787B1/en active Active
- 2007-04-03 WO PCT/US2007/008052 patent/WO2007123788A2/en active Search and Examination
- 2007-04-03 JP JP2009504224A patent/JP5265517B2/en active Active
- 2007-04-03 AT AT07754557T patent/ATE543343T1/en active
- 2007-04-03 US US11/696,128 patent/US7720240B2/en active Active
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2010
- 2010-05-17 US US12/781,741 patent/US8831254B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
KR101346490B1 (en) | 2014-01-02 |
WO2007123788A2 (en) | 2007-11-01 |
CN101884227B (en) | 2014-03-26 |
JP2009532985A (en) | 2009-09-10 |
US20100226500A1 (en) | 2010-09-09 |
US7720240B2 (en) | 2010-05-18 |
EP2005787B1 (en) | 2012-01-25 |
WO2007123788A3 (en) | 2008-04-17 |
US8831254B2 (en) | 2014-09-09 |
EP2005787A2 (en) | 2008-12-24 |
JP5265517B2 (en) | 2013-08-14 |
CN101884227A (en) | 2010-11-10 |
US20070230725A1 (en) | 2007-10-04 |
ATE543343T1 (en) | 2012-02-15 |
KR20090007700A (en) | 2009-01-20 |
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